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Imagine you are a wireless network contractor, and you are meeting with a potential client over lunch to discuss the possibility of setting up a wireless network in the client's building. She mentions that she has heard of the OSI model but does not fully understand it and asks you to explain it to her. She has limited technical background. How would you describe the OSI model to somebody like this potential client who does not have a technical background? Come up with an analogy, if you wish, that will help clarify your explanation. Note: If you decide to use an analogy, it should be original and not based on the example provided.
Respond to your classmates by acting as though you are the potential client. Critically review their explanation and ask for clarification, more detail, or examples. Provide positive and constructive feedback, or identify points with which you agree or disagree.
Are LANs a stable technology or are they changing just as rapidly as other forms of communication technologies? Should software licenses be dropped completely?
How many IP addresses would they have per subnet?
How taking a socio-technical perspective can be more productive in helping organizations manage information overload than either technical solutions or organizational solutions alone?
You have been hired to aid troubleshoot a network. Users in this customer site have being experiencing intermittent problems.
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
Explain how systems analyst can help with project management tasks. Also, explain how new employee can contribute to tasks.
You are the Information Security Officer at a medium-sized company (1,500 employees). The CIO has asked you to explain why you recommend it is so important to secure your Windows.
Suppose that the links and routers in the network never fail and that routing paths used between all source/destination pairs remains constant. In this scenario, does a VC or datagram architecture have more traffic overhead. Why?
Write a narrative describing the advantages of each option recommending a solution. Include web references to each to each of the solution alternatives
How long does it take to send a file of 640,000 bits from host A to host B over a circuit-switched network? All links are 1.536 Mbps Each link uses FDM.
If the poll bit is on in the sixth frame, what will be the N(R) count back from the secondary after the last frame? Assume error-free operation.
Calculate RSA signature on long message by ?rst computing what the message equals mod n, for some ?xed n and then signing this computed value only. Why or why not?
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